UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000019982
Receipt number R000023072
Scientific Title The postoperative analgesic effect of single-shot retrolaminar block for breast cancer surgery: a double-masked, placebo-controlled, randomized clinical trial
Date of disclosure of the study information 2015/11/29
Last modified on 2017/11/25 14:19:39

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Basic information

Public title

The postoperative analgesic effect of single-shot retrolaminar block for breast cancer surgery: a double-masked, placebo-controlled, randomized clinical trial

Acronym

The postoperative analgesic effect of single-shot retrolaminar block for breast cancer surgery

Scientific Title

The postoperative analgesic effect of single-shot retrolaminar block for breast cancer surgery: a double-masked, placebo-controlled, randomized clinical trial

Scientific Title:Acronym

The postoperative analgesic effect of single-shot retrolaminar block for breast cancer surgery

Region

Japan


Condition

Condition

Breast cancer surgery

Classification by specialty

Breast surgery Anesthesiology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

The postoperative analgesic effect of retrolaminar block

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The number of patients who need analgesics within 12 hours after surgery

Key secondary outcomes

1. The number of patients who need antiemetics within 12 hours after surgery

2. Numerical pain rating scores within 3 hours after surgery


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation

YES

Institution consideration


Blocking


Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Maneuver

Interventions/Control_1

Single-shot retrolaminar block with total 30mL of 0.5% ropivacaine

Interventions/Control_2

Single-shot retrolaminar block with total 30mL of normal saline

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit


Not applicable

Gender

Female

Key inclusion criteria

1. ASA physical status 1 - 2
2. Under general anesthesia
3. Breast cancer surgery with axillary lymph node dissection

Key exclusion criteria

1. Estimated glomerular filtration rate < 60 mL / min / 1.73 * square meter
2. NYHA classification > II
3. Hugh-Jones classification > II
3. Active phase peptic ulcer
4. BMI < 15 or BMI >= 35
5. Skin lesion at a block site
6. Allergies to local anesthetics, pentazocine or NSAIDs
7. Past history of severe postoperative nausea and vomiting

Target sample size

150


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Mamoru Murakami

Organization

Tohoku Kosai Hospital

Division name

Department of anesthesiology

Zip code


Address

2-3-11, Kokubuncho, Aobaku, Sendai, Miyagi, Japan

TEL

+08-22-227-2211

Email

masuiker@gmail.com


Public contact

Name of contact person

1st name
Middle name
Last name Mamoru Murakami

Organization

Tohoku Kosai Hospital

Division name

Department of anesthesiology

Zip code


Address

2-3-11, Kokubuncho, Aobaku, Sendai, Miyagi, Japan

TEL

+08-22-227-2211

Homepage URL


Email

masuiker@gmail.com


Sponsor or person

Institute

Tohoku Kosai Hospital

Institute

Department

Personal name



Funding Source

Organization

Tohoku Kosai Hospital

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

Tohoku Kosai Hospital (Miyagi)


Other administrative information

Date of disclosure of the study information

2015 Year 11 Month 29 Day


Related information

URL releasing protocol


Publication of results

Partially published


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2014 Year 07 Month 15 Day

Date of IRB


Anticipated trial start date

2014 Year 09 Month 01 Day

Last follow-up date

2016 Year 05 Month 25 Day

Date of closure to data entry

2016 Year 05 Month 25 Day

Date trial data considered complete

2016 Year 07 Month 17 Day

Date analysis concluded

2017 Year 05 Month 31 Day


Other

Other related information



Management information

Registered date

2015 Year 11 Month 29 Day

Last modified on

2017 Year 11 Month 25 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000023072


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name